Table 1.
Reference standard for all the parameters as shown in strip label of combur-10urinary reagent strip.
| Parameter | Normal value in CSF | Principle of strip test | No color | 1+ | 2+ | 3+ | 4+ |
|---|---|---|---|---|---|---|---|
| CSF Leucocyte (cells/mm3) | <5 | Leucocyte esterase estimation | <10 | 10–75 | 75–499 | >500 | – |
| CSF Protein (mg/dl) | 15–45 | Protein error of pH indicator | <29 | 30–99 | 100–499 | >500 | – |
| CSF Glucose (mg/dl) | 40–70 | glucose oxidase-peroxidase method | <50 | 50–99 | 100–299 | 300–999 | 1000 |
| CSF Eythrocyte (cells/cumm) | Absent | Peroxidase method | <5 | 5–10 | 25 | 50 | 250 |